Because they are three times better. I have all OEM pulleys; crank, WP, Alt and PS.
I bought a cheap set of repops, just because i ran across a great deal. Just for fun, I tried them out and none were perfectly straight. I had no way to check balance, but would be shocked if they were balanced. That is probably why the 6000 rpm warning comes from.
Sold the repops with full disclosure. For looks only.
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Don't believe everything you read on the internet ... Ben Franklin
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